From patchwork Thu Mar 11 09:56:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christian Marangi X-Patchwork-Id: 399018 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00, DATE_IN_PAST_06_12, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AAEF5C433DB for ; Thu, 11 Mar 2021 17:04:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B90264FF5 for ; Thu, 11 Mar 2021 17:04:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229729AbhCKRDo (ORCPT ); Thu, 11 Mar 2021 12:03:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229657AbhCKRDm (ORCPT ); Thu, 11 Mar 2021 12:03:42 -0500 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2076C061574; Thu, 11 Mar 2021 09:03:41 -0800 (PST) Received: by mail-ed1-x531.google.com with SMTP id h13so3861059eds.5; Thu, 11 Mar 2021 09:03:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AIJvF8THgvNIIJY7o0rd8q2CMHcgDSy7Mtu5dW42sFA=; b=oHvYAKs8vlQsGGeTCxnbGmFJRdubhK9l9eDvFETPrXX9cQ7MlU5fEAM0qMn1C7xchN YohhK3VVAFGYyqcR46GscrLSOwBqOC8DGU5uTlA+Vpc61R9ZoDyWxwVXvAqzNq2+eoNb VMsGujlugvf1G0oOs6vCypmtB9xIQqYp6W3J+kjg2Sayn6B9fqAMdNasJiN5TuCCSjM/ JB3nztXsccELBZkyeuy3Z3uH8hBl/ALzgqBPPilDUFOd5dmSxnP17KKDRcMG9jw5cMBF jb8CogOCyTD0cSSO1m+s/g4DzFYtm3m4su1yk3a6ZqdMIKH5pzI3Hfxle3x9ihR0Tajz enfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=AIJvF8THgvNIIJY7o0rd8q2CMHcgDSy7Mtu5dW42sFA=; b=Cbl2wNLYqq5hD9rHML52rANCM5y/bsd0ycj1wCm6kNjkK8vhaC1mdKmeLC8q47WwI+ G+NLICPEdXweu8r4Trn00KZBYjPBwX5pna8DMbqCJMrUyLGqUSio5X5viurq6blzpAsi E4mA6NgZPMyzi4XFHz9pn1YNlenxbSnD9ayHbyfG7l9tMwZ6GAnBUGBPjRE/f+Mq/QZM xYeVmm4ENYPczWLgP5r5kUeW0ZC1nOaty9tIKHY/dtvZTPbo/sWI115ikRHfZWu3CUaJ BiALiLfVJr7XTwc+4lXFxKrm3o4AwPsTt6mjKN7RONkmJmrjwBEiPfCnh51gt+064J+7 JG0g== X-Gm-Message-State: AOAM530dsRWjBVGZK9mBNgZ5Zbb+dGThD8WQT7qofPdMbg4PTeKSdXuF Gz7Ld+P3DjOJIW9fqrDiiyo= X-Google-Smtp-Source: ABdhPJwETXnVswKC4ZC4+FSyf5TAqqX9vnXmWFxa0O9LzcMWBXQwYxWCRSqufx1WJgXXxc52XIj3Aw== X-Received: by 2002:a05:6402:1004:: with SMTP id c4mr9610447edu.364.1615482220575; Thu, 11 Mar 2021 09:03:40 -0800 (PST) Received: from Ansuel-xps.localdomain (93-35-189-2.ip56.fastwebnet.it. [93.35.189.2]) by smtp.googlemail.com with ESMTPSA id b4sm1627205edh.40.2021.03.11.09.03.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 09:03:40 -0800 (PST) From: Ansuel Smith To: Rob Herring Cc: Ansuel Smith , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Srinivas Kandagatla , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v6 1/3] mtd: core: add nvmem-cells compatible to parse mtd as nvmem cells Date: Thu, 11 Mar 2021 10:56:58 +0100 Message-Id: <20210311095715.17048-1-ansuelsmth@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Partitions that contains the nvmem-cells compatible will register their direct subonodes as nvmem cells and the node will be treated as a nvmem provider. Signed-off-by: Ansuel Smith --- drivers/mtd/mtdcore.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 2d6423d89a17..ac1b4f176a17 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -531,6 +531,7 @@ static int mtd_nvmem_reg_read(void *priv, unsigned int offset, static int mtd_nvmem_add(struct mtd_info *mtd) { + struct device_node *node = mtd_get_of_node(mtd); struct nvmem_config config = {}; config.id = -1; @@ -543,7 +544,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd) config.stride = 1; config.read_only = true; config.root_only = true; - config.no_of_node = true; + config.no_of_node = !of_device_is_compatible(node, "nvmem-cells"); config.priv = mtd; mtd->nvmem = nvmem_register(&config);